The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Oct. 12, 2021

Filed:

Jul. 25, 2017
Applicant:

Kci Usa, Inc., San Antonio, TX (US);

Inventors:

William Pigg, Elvington, GB;

Michelle Delbono, Earby, GB;

Sally Stephens, Skipton, GB;

Assignee:

KCl USA, INC., San Antonio, TX (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61F 13/02 (2006.01); A61F 13/15 (2006.01);
U.S. Cl.
CPC ...
A61F 13/0263 (2013.01); A61F 13/0203 (2013.01); A61F 13/0206 (2013.01); A61F 13/0246 (2013.01); A61F 13/0253 (2013.01); A61F 13/0289 (2013.01); A61F 13/15707 (2013.01); A61F 13/025 (2013.01); A61F 2013/15715 (2013.01);
Abstract

A wound dressing comprising: a backing sheet; a layer of pressure-sensitive adhesive on the backing sheet; an island of absorbent material having smaller area than the backing sheet and applied onto a central region of the backing sheet so as to leave a margin of adhesive-coated backing sheet around the absorbent material, and an apertured wound facing layer applied over the absorbent material and adhered to the backing sheet around said island by said pressure-sensitive adhesive, wherein the apertured wound facing layer comprises an apertured substrate having a coating of a silicone gel on the wound facing surface thereof, the open area of the apertured wound facing layer is from about 5% to about 75%, and the apertured wound facing layer comprises apertures having an open area of from about 2 mm2 to about 100 mm.


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